20817852

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6857}}^1$

素因数の和:6898

約数の個数: 48

約数和(自身を含む): 55302912

約数和(自身を除く): 34485060

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 759, 1012, 1518, 3036, 6857, 13714, 20571, 27428, 41142, 75427, 82284, 150854, 157711, 226281, 301708, 315422, 452562, 473133, 630844, 905124, 946266, 1734821, 1892532, 3469642, 5204463, 6939284, 10408926, 20817852]

約数ペア:

[(1, 20817852), (2, 10408926), (3, 6939284), (4, 5204463), (6, 3469642), (11, 1892532), (12, 1734821), (22, 946266), (23, 905124), (33, 630844), (44, 473133), (46, 452562), (66, 315422), (69, 301708), (92, 226281), (132, 157711), (138, 150854), (253, 82284), (276, 75427), (506, 41142), (759, 27428), (1012, 20571), (1518, 13714), (3036, 6857)]